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http: use IP address that we got before (if any) during retrying

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Before this patch every time we are retrying our request we resolve
domain, but we could optimize this (since UDP is slow) by using cached
conn_address value, so do this.
This commit is contained in:
Azat Khuzhin 2014-11-12 20:23:46 +03:00
parent 8bb3842552
commit 54c887d823
1 changed files with 17 additions and 2 deletions
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19
http.c
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@ -2418,6 +2418,9 @@ int
evhttp_connection_connect_(struct evhttp_connection *evcon) evhttp_connection_connect_(struct evhttp_connection *evcon)
{ {
int old_state = evcon->state; int old_state = evcon->state;
const char *address = evcon->address;
const struct sockaddr *sa = evhttp_connection_get_addr(evcon);
int ret;
if (evcon->state == EVCON_CONNECTING) if (evcon->state == EVCON_CONNECTING)
return (0); return (0);
@ -2458,8 +2461,20 @@ evhttp_connection_connect_(struct evhttp_connection *evcon)
evcon->state = EVCON_CONNECTING; evcon->state = EVCON_CONNECTING;
if (bufferevent_socket_connect_hostname(evcon->bufev, evcon->dns_base, if (sa && (sa->sa_family == AF_INET || sa->sa_family == AF_INET6)) {
evcon->ai_family, evcon->address, evcon->port) < 0) { int socklen;
if (sa->sa_family == AF_INET) {
socklen = sizeof(struct sockaddr_in);
} else if (sa->sa_family == AF_INET6) {
socklen = sizeof(struct sockaddr_in6);
}
ret = bufferevent_socket_connect(evcon->bufev, sa, socklen);
} else {
ret = bufferevent_socket_connect_hostname(evcon->bufev,
evcon->dns_base, evcon->ai_family, address, evcon->port);
}
if (ret < 0) {
evcon->state = old_state; evcon->state = old_state;
event_sock_warn(evcon->fd, "%s: connection to \"%s\" failed", event_sock_warn(evcon->fd, "%s: connection to \"%s\" failed",
__func__, evcon->address); __func__, evcon->address);